Journal-bearing.



No. 864,705. PATENTED AUG. 27, 1907. c. SKIDMORB. JOURNAL BEARING.

APPLICATION FILED SEPT. 17, 1906.

A55 t ZW j www UNITED ASTATES PATENT QFEIOE,

oHARLEsDsKIDMoRE, or HOHER, NEBRASKA, Assioxon or ONE-THIRD ToADANiEL B. STIDWORTHY Ann ONE-THIRD To FRANK B. BUGKWALTER, or nonna, NEBRAsKAr J OURNAL-BEARIN G.

Specicationof Letters Patent.

Patented Aug. 27, 1907.

Application filed September 17, 1906. Serial No. 334,836.

following is a specification.

The invention relates to an improvement. in journal bearings, comprehending specifically a journal .bearing of the Aself-lubricating and dust prooi type readily adapted as a bearing for vehicle wheels and for all forms of shafting. f

The main object oi the present invention resides in the production of a journal bearing wherein the bearing box is conveniently secured relative to the vehicle hub or shaft support; and in which the lubricant is effect'- ively retained within the boxing, and the latter rendered dust and dirt proof, the construction particularly providing a means whereby the packing rings may be readily andgconveniently adjusted to insure a dust tight connection with the shafting under all conditions of use and Wear.V i

The invention will be described in the,` following v specification, referencebeing had particularly to the accompanying drawings, in Whichz Figure 1 is a longitudinal sectional view,l partly inV elevation, of a journal bearing constructed in accordance with my invention and designed foruse with veiv hicle wheels or similar rotating elements, Fig. 2 is a similar view showing the bearing slightly modified to provide for its use as a support for a revolving shaft.

Referring particularly to Fig. l, wherein the journal bearing of my invention is particularly constructed for use with vehicle wheels or similar revolving elements, 1 represents thehub of the wheel or other element, in which is secured the boxing 2. l

-The boxing is in the form of en elongated cylindrical sleeve, designed as usual to encircle the axle spindle 3f The boxing is oi a length to extend in both vdirections beyond the limits of the hub 1, the forward extension 4'o the boxing beingv exteriorly threaded at 5 throughout its full length beyond the hub. The rearward extension 6 oi the boxing is provided immediately adjacent the relatively rear or inner' edge of the hub with a laterally extending annular rib 7, designed t provide an abutment against which. the inner edge of the hub bears when the parts-are assembled.l Beyond the rib 7 the boxing is exterior-1y threaded throughout the length of the extension 6, as at 8.

The interior diameter of the boxing is greater than the diameter of the spindle 3, said boxing being' provided at its relatively forward end with an inwardly projecting annular bearingrib or ring 9 designed to bear iirectly upon the spindl'.\ Throughout the length of the 'rearward cxtenlsionithe boxing isinterio'rly reduced in v diameter to a small extent, the inner surface convergingl from the relatively rear or free end of. the extension, as at 10. A bearing ring 11 is designed to fit within the boxing and bear upon the spindle 3, the exterior surface of `said ring being relatively inclined to engage the converging surface 10 of the boxing, whereby said ring `is held in place within the boxing by the wedgingincident to such construction. A retaining ring 12 is arl.ranged within the boxing and about the spindle, said retaining ring being ihserted from the relatively rear i end of the spindle and adapted for an independent 1ongitudinal movement as respects the boxing. -A closipg cap 13 is designed to encircle the boxing extension 6 and bear against the rib 7, said cap being interiorly threaded to engage the threads 8 ofthe extension 6.

`The bearing ring-11 and retaining ring 12 are of isuch relativesizes as to normally provide a space between their approximate edges, in which space is disposed absorbent packing material or apacking ring 14 which is designed for adjustment through movement oi the independent endwise movement `through the medium of a lock` nut 17 designed to engage the threaded exten sion o the spindle and formed with anannular laterally disposed flange l18 of slightly less diameter than the diameter' of the boxing and adapted when in place to A cap 19 is designed to encircle and conceal the forward end of the spindle, the lock nut, and the forward end of the boxing, said capbeing interiorly threaded to co- -operate with the threads 5 on vthe boxing extension 4.

The inner surface bf the head or face plate of the cap is l formed with a conical depression 20 to receive the spindle extension 16. l. I

y If desired, washers 2l of any material and in anyl desired number may be disposed intermediate the end of the cap 19 and the hub 1 loi the lrotating member, Whereby'to provide for the adjustment oi the play of said hub.

" The hub 1 and boxing 2 are formed' with registaing' i openings 22 designed to receive an'oil duct 23 opening at its lower end within the 'oil chamber 24 and closed at the upper end by a removable cap 25. .1n this connection it is to be noted that the oil chamber 24 is formed between Ibear against the relatively forward end of the boxing.

the bearing rings 9 and 11, thereby providing an elonv' gated Aspace for the reception of a considerable quantity of lubricant.

In the form of the invention described it is to be particularly noted that the packing ring .14 may be ad` v vented by the coperation of the lock nutl7 andcap 19, the formerA preventing a relatively forward movement of the 'boxing and the latter a relatively rearward movement thereof. The boxing is held relative to the hub l through coperation of the rib 7 and cap 19.

- In Fig. 2 the main details of the boxing hereinbefore described are shown, 'the construction being slightly modified to adapt the boxing for supporting a rotating shaft intermediate the ends. In this orm thebearing support 26 is of the usual hollow cylindrical form; and adapted to receive the improved boxing 27, said-boxing projecting in opposite vdirections beyond the ends ofthe support to provide extensions 2S. The interior of the boxing adjacent the -relatively inner end of each 'extension is .formed with an inwardly projecting annular bearing ring' 29, the interior surface of the boxing be- 1 'yond said ring diverging slightly toward the free end of the extension'. A retaining ring 3'0, similar to the ring l2 inthe preferred form, is arranged for coperation with and independent movement relative to the interior surface of the boxing beyondrthe bearing ring, and

' between said retaining ring and bearing ring is arranged absorbent packing .material or a packing rilngA 31. A

cap 32 is designed to encircle each spindle extension,

I said extensi'on and cap being threaded fior coperation,- as at 33. p The face plates of the cap are of a size tobear l vupon the shaft 34, thereby engaging the ends o the retaining ring and. causing said rings to compress the paclring ring uponproper adjustment of the cap.

In both forms of the invention it is to be particularly noted that the adjustment of the cap or caps provides' for such disposition of the absorbent packing material or packing ring as Will insure the retention of the oil l withiny the o il chamber and at the same time exclude dust and dirt from the bearing. The respective coperj A'ation of the particular parts provides for their ready ldisconnection when desired for inspection or renewal,`

as the removal ot' the caps affords immediate accessto f the Working parts of the bearing. p

The bearing rings 9 and 29'in the preferred and modied :forms are shown as integral with the boxing, but it scares is to be understood that I' contemplate providing remov.

able bearing rings, as ring 1l, for use in place o the inte-` gral rings 9 and 29, the cooperating interior surface of the boxing being correspondingly inclined to insure a Wedging action between thc ring and boxing.

Thel removable eature of the bearing rings is an important feature of the present invention, as it provides for the convenient replacement of Worn rings with convenience and thereby obviating the necessity oi clisposing ot' the entire boxing.

The modified form of bearing is provided with an oil supply duct '34 leading-to the oil channel 35 formed between the bearing rings 29 in the boxing, said duct being closed by a removable cap 36.

The form of boxing shown in Fig. l While primarily adapted for vehicle Wheels or other rotating elements, willbe found equally applicable as a bearing support for the ends of rotating shafts, While -the form-illustrated `in Fig. 2 though described as a xed bearing for rotating shafts is equally applicable as a bearing for rotating elements about a fixed shaft.

Having thus described the invention, what is claimedV ving rngarranged within the boxing, a packing ring adapted to Contact Awith theybearing ring, a retaining ring disposed within the boxing and adapted to engage the pncking ring, and a cap arranged for coperation with the threaded. extension and adapted to engage and operate the retaining ring.

2. 'The combination with a support, of a boxing fitting within said support and formed with a threaded extension projectingbeyond the support, a bearing ring removably secured .within the boxing, a retaining ring movably secured within the boxing. a packing ring arranged between the vbearing, ring and retaining ring, and a cap to engage the threaded 'extension and voperate the retaining ring,

In testimony whereof, I ax my signature in presence oi two witnesses.

CHARLESv sxnmorur.

Witnesses JAMES L` BLANCHARD, AUDREY ALLAWM'. 

